| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| reliable engineering and system safety | 1.14 | 0.3 | 8933 | 69 | 38 |
| reliable | 0.64 | 0.7 | 4768 | 22 | 8 |
| engineering | 0.94 | 0.5 | 9113 | 26 | 11 |
| and | 0.94 | 1 | 1219 | 4 | 3 |
| system | 0.24 | 0.2 | 4310 | 6 | 6 |
| safety | 0.46 | 0.4 | 9665 | 32 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| reliable engineering and system safety | 1.56 | 0.9 | 3698 | 88 |
